GMC 2012 Sierra Denali Owner's Manual page 307

Guidelines
The RVC system has a guideline
overlay that can help the driver align
the vehicle when backing into a
parking spot.
If the vehicle has dual rear wheels,
this feature will not be available.
To turn the guidelines on or off:
1. Make sure that URPA has not
been disabled.
2. Shift into P (Park).
3. Press MENU to enter the
configure menu options. Turn
the Multifunction knob until the
Display feature is highlighted
and press the Multifunction
knob. Or press the Display
screen button
4. Select the Rear Camera Options
screen button. The Rear Camera
Options screen displays.
5. Touch the Guidelines screen
button. The screen button will be
highlighted when on.
RVC Location
The camera is located in the bezel
for the tailgate handle.
This shows the field of view that the
camera provides.
Driving and Operating
A. View displayed by the camera
A. View displayed by the camera
B. Corners of the rear bumper
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